非饱和黄土大吸力范围内的水力学行为及预测

IF 2.5 3区 工程技术 Q2 ENGINEERING, CIVIL Geomechanics and Engineering Pub Date : 2021-01-01 DOI:10.12989/GAE.2021.26.3.275
Tong Jiang, Zhao Jindi, Junran Zhang, Lijin Wang, Chenyu Song, T. Zhai
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引用次数: 1

摘要

干旱半干旱区路基黄土由于相对湿度低、地下水位深而处于高吸力条件下。了解非饱和压实黄土在大吸力范围内的水力学行为对于解决此类地区的基础设施问题至关重要。本研究采用轴平移技术、蒸汽平衡技术和冷镜露点技术,通过施加或测量吸力来研究黄土的保水行为。此外,还进行了三轴试验,研究了压实黄土在不同净胞压(
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Hydromechanical behavior and prediction of unsaturated loess over a wide suction range
Subgrade loess in arid and semi-arid regions subjected to high-suction conditions owing to low relative humidity and deep groundwater levels. Understanding the hydromechanical behavior of unsaturated compacted loess over a wide suction range is critical for resolving infrastructure problems in such areas. In this study, the water retention behavior of loess was investigated by imposing or measuring suction (s) using the axis translation technique, vapor equilibrium technique, and chilled mirror dew point technique. Triaxial tests were also performed to study the mechanical behavior of compacted loess under different net cell pressures (
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来源期刊
Geomechanics and Engineering
Geomechanics and Engineering ENGINEERING, CIVIL-ENGINEERING, GEOLOGICAL
CiteScore
5.20
自引率
25.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: The Geomechanics and Engineering aims at opening an easy access to the valuable source of information and providing an excellent publication channel for the global community of researchers in the geomechanics and its applications. Typical subjects covered by the journal include: - Analytical, computational, and experimental multiscale and interaction mechanics- Computational and Theoretical Geomechnics- Foundations- Tunneling- Earth Structures- Site Characterization- Soil-Structure Interactions
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